Validate object containing both static and dynamic keys

I'm attempting to create a Yup validation schema for an object with the following structure:

interface myObject {
  prop0: Date
  prop1: {
    nestedProp1: string
    nestedProp2: number
    [key: string]: string | number
  }
}

This is what I have tried so far:

yup.object({
  prop0: yup.string(),
  prop1: yup.object({
    nestedProp1: yup.string(),
    nestedProp2: yup.number(),
    // struggling with dynamic type validation here
  })
})

I am having difficulty writing the correct validation for the dynamic key within prop1.

Update: I am aiming to use this type as a generic for a function, and then extract its schema using SchemaOf in order to define another parameter in the function (where I input the schema).

Here's a sandbox link where I'm simulating the actual scenario.

You can see that TypeScript is showing an error on line 39.

Answer №1

The answer was quite straightforward - I just overlooked adding .shape() in the yup validation for objects.

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